Electric charger for an accumulator or battery

The invention relates to an electric charger for an accumulator or a battery or the like, which is adapted for rapid charging during an on-period and comprises for this purpose control means for starting and ending the on-period. The charger is provided with a circuit for converting a supply voltage to a charging current for the battery, and...

Experimental and numerical determination of stiffness and strength og GRP/PVC sandwich structures

Stress analysis unbonded pipes

Some aspects of the stability of automatic course control of ships

Analogue simulation of ship manoeuvres; based on full scale trials or free-sailing model tests

The reverse spiral test as applied to large ships